Use wait_timeout as integer in redshift module (#24279)

Fix stricts datatype of wait_timeout to int as module
is using it as integer.

Fixes https://github.com/ansible/ansible/issues/24267

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/modules/cloud/amazon/redshift.py

@@ -436,7 +436,7 @@ def main():
         elastic_ip                          = dict(required=False),
         new_cluster_identifier              = dict(aliases=['new_identifier']),
         wait                                = dict(type='bool', default=False),
-        wait_timeout                        = dict(default=300),
+        wait_timeout                        = dict(type='int', default=300),
     )
     )